题解 | 牛牛的绩点
牛牛的绩点
https://www.nowcoder.com/practice/de8bc3e736164786b07a4dd64ed172f7
cores = {'A':4.0,'B':3.0,'C':2.0,'D':1.0,'F':0}
score = 0
avg = 0
while 1:
a = input()
if a in cores:
b = int(input())
score += cores[a] * b
avg += b
else:
break
fin = score/avg
print('%.2f'%fin)
哇好不容易哇🆒
